If everything is done correctly, every time the system restarts, the service client will automatically connect to your network.īefore starting work, do not forget to set up and enable VPN connection on your PC.Īlternatively we recommend to use the ZeroTier VPN-service. Initialize the service that uses your keys to connect in client mode: sudo systemctl enable config-name is the name of your configuration file. The key or configuration used on your copter should be strictly in. Keys can be generated in various formats, for example. To enable the client mode, you must activate the keys you have transmitted. For convenience, use the graphical SFTP data transfer interface, for example: WinSCP, FileZilla, etc. Move your keys to the /etc/openvpn/client directory. To connect Raspberry Pi to your network, install the OpenVPN package: sudo apt-get install openvpn To check the speed of the internet connection you could use the speedtest utility: sudo apt install speedtest-cliĬreate the VPN network keys to connect Raspberry Pi and the ground station. To check the internet connection enter the appropriate command line: ping -I wwan0 -c 5 8.8.8.8 Next to start the internet connection proceed following: sudo ip link set wwan0 downĮcho 'Y' | sudo tee /sys/class/net/wwan0/qmi/raw_ip To install this utilities enter the appropriate command line: sudo apt install libqmi-utils udhcpc In this case you should use utilities like qmi-network and udhcpc. When connected, some modems recognize in the system as a network card, without any additional settings.īut some other popular modems, for instance Quectel EP06, do not start the internet connection automatic. Connecting 4G modem to Raspberry PiĬonnect a 4G modem with SIM card to the USB port of your Raspberry Pi. To transfer any data from your drone to the ground control station (e.g., QGroundControl) and back, you need to set up your own VPN network. Nowadays, the coverage area of mobile operators allows to connect to the Internet at high speed from almost any point.
The fourth generation mobile communication is a convenient tool for transmitting and receiving information at high speed. Multi-copter control with 4G communication
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